[basic.start.main]/2 starts with “An implementation shall not predefine the main function”. What does...












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[basic.start.main]/2:




An implementation shall not predefine the main function.




What does this sentence mean?










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    [basic.start.main]/2:




    An implementation shall not predefine the main function.




    What does this sentence mean?










    share|improve this question



























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      [basic.start.main]/2:




      An implementation shall not predefine the main function.




      What does this sentence mean?










      share|improve this question















      [basic.start.main]/2:




      An implementation shall not predefine the main function.




      What does this sentence mean?







      c++ language-lawyer






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      edited Nov 23 '18 at 17:52









      Neil Butterworth

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      27k54680










      asked Nov 23 '18 at 17:42









      Paulo Roberto

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          A C++ program can have only one definition of main - the one you provide in your code. If an implementation defined main, you would not be able to provide a definition, as you would end up with a link-time error.






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            A C++ program can have only one definition of main - the one you provide in your code. If an implementation defined main, you would not be able to provide a definition, as you would end up with a link-time error.






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              A C++ program can have only one definition of main - the one you provide in your code. If an implementation defined main, you would not be able to provide a definition, as you would end up with a link-time error.






              share|improve this answer


























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                A C++ program can have only one definition of main - the one you provide in your code. If an implementation defined main, you would not be able to provide a definition, as you would end up with a link-time error.






                share|improve this answer














                A C++ program can have only one definition of main - the one you provide in your code. If an implementation defined main, you would not be able to provide a definition, as you would end up with a link-time error.







                share|improve this answer














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                edited Nov 23 '18 at 17:57

























                answered Nov 23 '18 at 17:49









                Neil Butterworth

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